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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1820
Experience:  Owner at DJ Wilson
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What is the following fault code: Source 0 SPN 729 FMI 3,

Customer Question

What is the following fault code: Source 0 SPN 729 FMI 3
JA: What is the complete model and serial number of your machine?
Customer: Have to go out and find out
JA: Are you fixing this yourself? What have you tried so far?
Customer: Have not tried anything, will let qualified people fix it. The engine is pushing an Entegra RV, cannot see other than ISL on the engine I believe it is 450 HP
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: This is all I have for now
Submitted: 1 month ago.
Category: Medium and Heavy Trucks
Expert:  go-west.. replied 1 month ago.

https://www.dropbox.com/s/wln2pnmy606jdpo/isl.pdf?dl=0

Good day please read the link,There is a open on the coil side of the relay that controls the grid heaters,

Let me know if you have anymore questions,

TY

Expert:  go-west.. replied 1 month ago.

Good evening,i see the question is still open,do you have anymore questions ??

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